Most countries don't. American immigration is a mess with unknown delays and archaic processing techniques. Just because the employees get a 2x multiplier in earnings doesn't mean the immigration pain is worth it.
In a land of immigrants - having such a poor immigration process for highly skilled employees will only mean that the best and the brightest talent will no longer be interested in moving to the US when they could get treated much more fairly in other countries. The result will be the workforce will be filled with mediocre and sub-par talent who are willing to go through the painful delays in the immigration process.
In a land of immigrants - having such a poor immigration process for highly skilled employees will only mean that the best and the brightest talent will no longer be interested in moving to the US when they could get treated much more fairly in other countries. The result will be the workforce will be filled with mediocre and sub-par talent who are willing to go through the painful delays in the immigration process.